Process control instrument



FIG. 1 is a perspective view of a process control instrument.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a rear elevation view thereof.

FIG. 4 is a left side elevation view thereof.

FIG. 5 is a right side elevation view thereof.

FIG. 6 is a top plan view thereof.

FIG. 7 is a bottom plan view thereof.

FIG. 8 is a cross-sectional view taken along the line 8-8 in FIG. 2, which omits the internal structure; and,

FIG. 9 is a cross-sectional view taken along the line 9-9 in FIG. 2, which omits the internal structure.

The oblique line shading illustrates translucency.

The broken lines depict unclaimed subject matter only, which forms no part of the claimed design. 

CLAIM The ornamental design for a process control instrument, as shown and described. 